PRIMITIVE ELEMENT

In mathematics, the term 'primitive element' can mean:

Primitive root modulo n, in number theory

Primitive element (field theory), an element that generates a given field extension

★ in a Hopf algebra, an element ''X'' on which the comultiplication Δ has the value Δ(''X'') = ''X''⊗1 + 1⊗''X''.

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